Journal article
Analysis of wet deposition in the eastern United States
Atmospheric environment. Part A, General topics, Vol.26(3), pp.465-484
1992
DOI: 10.1016/0960-1686(92)90330-N
Abstract
Acid deposition in the eastern U.S. during a spring frontal storm from 1 to 5 May 1985 is analysed using the STEM-II acid deposition model. Nitrate formation is dominated by gas-phase production processes, with wet and dry deposition contributing equally to the total domain nitrate deposition. In-cloud sulfate production accounts for 60% of the total sulfate production, while wet deposition dominates the total sulfate deposition. Oxidation of S(IV) by hydrogen peroxide is the most important sulfate formation pathway. Hydrogen peroxide is found to exist in excess of S(IV) in cloud and rainwater in the storm front and at altitudes above 2 km. Production rates of sulfate in the high sulfur source regions are significantly lower (up to an order of magnitude) than in the moderate or low source regions. Model predictions are shown to capture the major features of the observed deposition.
Details
- Title: Subtitle
- Analysis of wet deposition in the eastern United States
- Creators
- Woo-Chul ShinGregory R Carmichael
- Resource Type
- Journal article
- Publication Details
- Atmospheric environment. Part A, General topics, Vol.26(3), pp.465-484
- Publisher
- Elsevier B.V
- DOI
- 10.1016/0960-1686(92)90330-N
- ISSN
- 0960-1686
- Language
- English
- Date published
- 1992
- Academic Unit
- Civil and Environmental Engineering; Chemical and Biochemical Engineering; Nursing
- Record Identifier
- 9984003461302771
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